3M™ EC-3550 B/A FST Scotch-Weld™ Structural Void Filling Compound 400ml Automotive Masking This Urethane Adhesive is two-component

This Urethane Adhesive is two-component

fibreglass & wood

25 minute work life with 56 minutes to structural strength

Water Resistant in situ

aggressive tack for a quick assembly of high-stress bonds

3M™ EC-3550 B/A FST Scotch-Weld™ Structural Void Filling Compound 400ml Automotive Masking This Urethane Adhesive is two-component3M Scotch Weld Structural Void Filling Compound EC 3550 B A FST is a two part, low density, flame retardant epoxy compound that can be stored, applied and cured at room temperature. Scotch Weld EC 3550 B A FST a non sag, non brittle compounds designed for void filling, edge sealing close out, corner reinforcement, local reinforcement for mechanical fixation and complex gap filling in honeycomb sandwich structures. The cured materials meet 14 CFR 25.